diff options
Diffstat (limited to 'lib/public')
| -rw-r--r-- | lib/public/DB/QueryBuilder/IFunctionBuilder.php | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/public/DB/QueryBuilder/IFunctionBuilder.php b/lib/public/DB/QueryBuilder/IFunctionBuilder.php index 33d0fbe3b1a..e04a4cbfdba 100644 --- a/lib/public/DB/QueryBuilder/IFunctionBuilder.php +++ b/lib/public/DB/QueryBuilder/IFunctionBuilder.php @@ -52,6 +52,22 @@ interface IFunctionBuilder { public function concat($x, $y): IQueryFunction; /** + * Returns a string which is the concatenation of all non-NULL values of X + * + * Usage examples: + * + * groupConcat('column') -- with comma as separator (default separator) + * + * groupConcat('column', ';') -- with different separator + * + * @param string|ILiteral|IParameter|IQueryFunction $expr The expression to group + * @param string|null $separator The separator + * @return IQueryFunction + * @since 24.0.0 + */ + public function groupConcat($expr, ?string $separator = ','): IQueryFunction; + + /** * Takes a substring from the input string * * @param string|ILiteral|IParameter|IQueryFunction $input The input string |